Accordion nipple top



FIG. 1 is an upper front perspective view of an accordion nipple top showing our new design;

FIG. 2 is a front view thereof, the back and side views being mirror images;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines shown in the drawings represent environmental structure in FIGS. 1-4 that form no part of the claimed design. 

CLAIM The ornamental design for an accordion nipple top, as shown and described. 